"[7] David Brenner said "Many who rely on dirty humor do so because vulgar language helps sell weak jokes.
"[5] Some early comedies, such as the ancient Greek Lysistrata and some of William Shakespeare's plays, could be considered raw and bawdy.
[1] The rise of the mass media led to a focus on keeping comedy free from objectionable content to appeal to the largest audience and to advertisers.
[7] In the United States, the Federal Communications Commission's rules against obscenity on broadcast television caused clean comedy to flourish.
"[1] Jim Gaffigan became very successful in the 2010s on a reputation for being clean, focusing his bits on everyday things like food and raising five children.